5.5

CVE-2018-18457

The function DCTStream::readScan in Stream.cc in Xpdf 4.00 allows remote attackers to cause a denial of service (NULL pointer dereference) via a crafted pdf file, as demonstrated by pdftoppm.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Xpdfreader ≫ Xpdf Version 4.00
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 1.14% 0.625
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 5.5 1.8 3.6
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NIST 4.3 8.6 2.9
AV:N/AC:M/Au:N/C:N/I:N/A:P
CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

https://forum.xpdfreader.com/viewtopic.php?f=3&t=41217
Third Party Advisory
https://github.com/TeamSeri0us/pocs/tree/master/xpdf/2018_10_16/pdftoppm
Third Party Advisory